Home / 21,838.48-32,785.14-18,185.44

Finding the Fourth Proportional to 21,838.48, 32,785.14 and 18,185.44

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Solution

The fourth proportional to 21,838.48, 32,785.14 and 18,185.44 is: 27,300.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,838.48 : 32,785.14 = 18,185.44 : x
  2. Step 2: Convert to fraction form
    21,838.48/32,785.14 = 18,185.44/x
  3. Step 3: Cross multiply
    21,838.48x = 32,785.14 × 18,185.44
  4. Step 4: Simplify right side
    21,838.48x = 596,212,196.36
  5. Step 5: Solve for x
    x = 596,212,196.36/21,838.48
  6. Step 6: Final answer
    x = 27,300.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.